EntityQ656556· pop 24· linked from 347 articlesbutylSign in to saveany 4-carbon alkyl groupConnectionsthioesterEntitypentylEntityLatinEntityGreekEntityatomEntityhydrogenEntityoxygenEntitycarbonEntitynitrogenEntitysulfurEntitysiliconEntityphosphorusEntityboronEntityInternational Standard Book NumberEntitybutterEntityarsenicEntityseleniumEntityorganic chemistryEntitypoloniumEntitytelluriumEntityCategoriesAlkyl groups